DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR Award a ₱920.0K contract to BEAM CONSTRUCTION & DEVELOPMENT CORPORATIONCities
Transaction hash:
c9dbb44468bcc832d64e6d67fd5bd09142d1aea2770dcf0042a5a906adb0fb71
Status:
Included and unchanged
Block:
#1,011 5,002 blocks after it
Position in block:
Transaction 16 of 22
Award day:
Nov 25, 2010 (15 yrs 11 mo ago)
Value:
₱920,000.00
Project:
Construction of Drainage System / Construction of Concrete Fence (Cluster)
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #1,011 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)CITY OF ZAMBOANGA, ZAMBOANGA DEL SUR awarded it to BEAM CONSTRUCTION & DEVELOPMENT CORPORATION on 2010-11-25.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of City of Zamboanga gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored c9dbb44468…b0fb71now …
- 2. Block Merkle root changedstored c3e71a4781…3a04bdnow …
- 3. Block #1011 hash changedstored 7f2fe6803a…9116b3now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 21 records. Each step hashes the current value together with the sibling shown.
- leaf c9dbb44468bcc832d64e6d67fd5bd09142d1aea2770dcf0042a5a906adb0fb71
- 01 R d156c27cc52908d2542eef4a1c19d60fb95b24e1caf2eb71a8a5ea99d3b5705f
- 02 R 6bec02a738d790e5b5494bbd9a42660f6c5bf4d87dcb4f7093d2160a491fe5eb
- 03 R 1cda738b0c6a8a5edcc976153b40277a196c072eef6f9e5585b2347f077b1469
- 04 R 64510670bff954efbc7c23eecd0f77b07e3cd5f32a9418f7857bf545bd06a529
- 05 L 0469c9fabe322ec1c0783dcf0ce1eac7e345dee92cdd07e958bbdfc62a87b443
- root c3e71a47810240c9cdd1394d8c66dd4f2b75dee2535a1c2cc8e5dc96f63a04bd